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Lab 1 report11

Table of Contents

Table of Contents1Abstract2Introduction3Code Composer Studio Installation steps4Hardware configuration steps5LEDs display demonstrations6Conclusion10References11

Abstract

This report outlines steps to get started with TMS320C5515 eZDSPTM USB Stick Development Tool, including Code Composer Studio installation and hardware configuration. This report also presents three brief demonstrations using 4 LEDs of the board.

Introduction

TMS320C5515 eZDSPTM USB Stick Development Tool is a small form factor, very low cost USB-powered DSP development tool which includes all the hardware and software needed to evaluate the industrys lowest power 16-bit DSP : TMS320C5515. C5515 provides a foundation for a range of signal processing applications, including voice recorder, musical instruments, portable medical solutions and other consumer electronics in industrial and security applications. [1]TMS320C5515 eZdsp USB Stick Development ToolIn this subject, we use this tool to study various DSP applications. First of all, we need to get familiar with related materials including CCS and example library provided with the tool.

Code Composer Studio Installation steps1. Insert the CCSv4 DVD provided with the tool into computers disk drive and wait for the auto-run to start. Alternatively, we can download CCS on www.ti.com to get the latest version, and then double-click on the setup file. We used the second method.2. The installation wizard window pops up. Follow the instructions to go through the installation steps.3. Plug the TMS320C5515 eZDSPTM USB Stick into the USB port on laptop. Window recognizes the hardware and completes the remaining hardware installation automatically.4. When installation has finished, double-click the shortcut icon on desktop created by the wizard. Precise the workspace we wish to store all the project files.5. Inside the program, go to Help -> Code Composer Studio Licensing Information -> choose Free license.

Hardware configuration steps

1. Inside the program, go to View -> Target configurations -> right click on User Defined -> New Target Configuration -> specify name and location -> Finish.2. Double-click on the target icon we have just created. Specify the corresponding setups for TMS320C5515 eZDSPTM USB Stick -> Save. Hardware configuration for TMS320C5515 eZDSPTM USB Stick in CCS

3. Go to File -> Import -> Existing CCS Eclipse Project -> point to the library provided with the tool, or downloaded from http://support.spectrumdigital.com/boards/usbstk5515_v2/reva/files/usbstk5515_BSL_RevA.zip4. Go to View -> Project Explorer. A list of example project is shown on the left of the screen. Click on uled project.5. Go back to Target Configuration window -> right-click on the target file we have just created -> Link File to Project -> choose uled.

LEDs display demonstrations

1. Right-shift 4 OLEDsOpen uled project -> choose Debug icon on the toolbar (or press F11) -> click Resume The 4 LEDs on the board should blink from left to right, one after another in 6 loops.

4 LEDs blink from left to right demonstration on TMS320C5515 eZDSPTM USB Stick [2]

We can see the source code for this demonstration in uled_test.c as follows:#include "usbstk5515.h"#include "usbstk5515_led.h"#include "stdio.h"

/* ------------------------------------------------------------------------ * * * * uled_test( ) * * User LED tests toggles each of the four user LEDs 6 times * * * * ------------------------------------------------------------------------ */Int16 uled_test( ){ Int16 i, j; printf(" User LED tests toggles each of the four user LEDs 6 times\n"); SYS_EXBUSSEL = 0x6000; // Enable user LEDs on external bus USBSTK5515_ULED_init( );

/* Running LED test */ for ( j = 0 ; j < 6 ; j++ ) { for ( i = 0 ; i < 4 ; i++ ) { if ( USBSTK5515_ULED_on( i ) ) // Turn on user LED i return 1; USBSTK5515_waitusec( 50000 ); } for ( i = 0 ; i < 4 ; i++ ) { if ( USBSTK5515_ULED_off( i ) ) // Turn off user LED i return 2; USBSTK5515_waitusec( 50000 ); } } USBSTK5515_ULED_setall( 0x00 );

return 0; }

2. Left-shift 4 OLEDsOpen uled project -> double-click on uled_test.c -> modify the loop as follows: /* Running LED test */ for ( j = 0 ; j < 6 ; j++ ) { for ( i = 0 ; i < 4 ; i++ ) { if ( USBSTK5515_ULED_on( 3-i ) ) // Turn on user LED i return 1; USBSTK5515_waitusec( 50000 ); } for ( i = 0 ; i < 4 ; i++ ) { if ( USBSTK5515_ULED_off( 3-i ) ) // Turn off user LED i return 2; USBSTK5515_waitusec( 50000 ); } }

The 4 LEDs now blink from right to left, one after another in 6 loops.

3. Flashing a 4-bit counter Open uled project -> double-click on uled_test.c -> modify the uled_test subroutine as follows:Int16 uled_test( ){ Int16 i, j; printf(" User LED tests toggles each of the four user LEDs 6 times\n"); SYS_EXBUSSEL = 0x6000; // Enable user LEDs on external bus USBSTK5515_ULED_init( );

/* Running LED test */ while (1){ for ( j = 15 ; j >= 0 ; j-- ) { USBSTK5515_ULED_setall(j); USBSTK5515_waitusec( 500000 ); } }

return 0;}

The 4 LEDs now become a 4-bit counter with each LED represents one of four bits. The counter counts up from 0 to 15 and return to 0 to start over again.

Conclusion

In this lab experiment session, we succeeded to get the Code Composer Studio installed on our laptops as well as managed to configure CCS to be compatible with TMS320C5515 eZDSPTM USB Stick. We also succeeded to run our first demonstrations on the 4 LEDs by modifying the example source codes supplied with the tool.We can expand further by modifying the example codes to get the 4 LEDs become a 4-bit counter counting down from 15 to 0, simply by replacing the line for ( j = 15 ; j >= 0 ; j-- )by for ( j = 0 ; j >= 15 ; j++ )

in the uled_test.c file.

References

[1] Texas Instruments, C5515 eZDSP USB Stick Development Tool description and features, http://www.ti.com/tool/tmdx5515ezdsp, retrieved on February, 27th 2014.[2] sensorasia, TMS320C5515_eZdip_USB stick.MP4, http://www.youtube.com/watch?v=ZFnvH1iZoY8, retrieved on February, 27th 2014.

Illustrating images of C5515 eZDSP USB Stick Development Tool are taken from http://www.ti.com.All source codes in this report are taken from the usbstk5515_v1 library associated with C5515 eZDSP USB Stick Development Tool, provided by Spectrum Digital Inc..

[Type text]Page 4February, 27th 2014